flutter_kantine_app_2025/lib/controller/home_controller.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:intl/intl.dart';

class HomeController extends GetxController {
  final isloadingData = false.obs;
  final box = GetStorage();
  final listKantine = <dynamic>[].obs;
  final newBelegName = '?'.obs;
  final newBelegDate = '?'.obs;
  final newBelegBetrag = '?'.obs;
  @override
  void onInit() async {
    super.onInit();
    await _loadFromNotionKantine();
    // Initialize any necessary data or services here
  }

  @override
  void onClose() {}

  Future<void> _loadFromNotionKantine() async {
    isloadingData(true);
    var postUrl = box.read('BASEURL');
    var baeraToken = box.read('TOKEN'); // baeraToken aus GetStorage lesen
    var headers = Map<String, String>.from(box.read('HEADERS') ?? {});
    headers['Authorization'] = 'Bearer $baeraToken';
    var httpClient = GetHttpClient(timeout: const Duration(seconds: 20));
    var response = await httpClient.post(postUrl, headers: headers);
    if (response.isOk) {
      // Parse the response data and update your UI accordingly
      var data = response.body;
      var allJsonDataDynamicList = (data['results']);
      for (var item in allJsonDataDynamicList) {
        Map<String, dynamic> properties =
            item['properties'] as Map<String, dynamic>;
        properties['id'] = item['id'];
        listKantine.add(properties);
      }
      listKantine.removeWhere((element) => element['Gelöscht']['number'] == 1);
      listKantine.sort((a, b) {
        var dateA = DateTime.parse(a['Verkaufsdatum']['date']['start']);
        var dateB = DateTime.parse(b['Verkaufsdatum']['date']['start']);
        return dateB.compareTo(dateA); // Sort in descending order
      });
    } else {
      // Handle error
      print('Error: ${response.statusCode}');
    }
    isloadingData(false);
    httpClient.close();
    update();
  }

  Future<void> addBeleg() async {
    var dateFormat = DateFormat('yyyy-MM-dd');
    DateTime selectedDate = DateTime.now(); // Standardwert für das Datum
    await Get.defaultDialog(
      title: 'Beleg hinzufügen',
      content: Column(
        children: [
          TextField(
            decoration: InputDecoration(
              labelText: 'Beleg Name',
              border: OutlineInputBorder(),
            ),
            onChanged: (value) {
              newBelegName(value); // Beleg Name speichern
            },
          ),
          const SizedBox(height: 10),
          TextButton(
            onPressed: () async {
              DateTime? pickedDate = await showDatePicker(
                context: Get.context!,
                initialDate: selectedDate,
                firstDate: DateTime(2025),
                lastDate: DateTime(2100),
              );
              if (pickedDate != null) {
                selectedDate = pickedDate;
                newBelegDate.value = dateFormat.format(
                  selectedDate,
                ); // Datum speichern
              }
            },
            child: Obx(
              () => Text(
                'Datum auswählen: ${newBelegDate.value == '?' ? 'Kein Datum' : dateFormat.format(selectedDate)}',
                style: TextStyle(
                  color: newBelegDate.value == '?' ? Colors.red : Colors.black,
                  fontSize: 20,
                ),
                textAlign: TextAlign.center,
              ),
            ),
          ),
          TextField(
            decoration: InputDecoration(
              labelText: 'Beleg Betrag',
              border: OutlineInputBorder(),
            ),
            onChanged: (value) {
              newBelegBetrag(value); // Beleg Betrag speichern
            },
          ),
        ],
      ),
      textConfirm: 'Hinzufügen',
      textCancel: 'Abbrechen',
      confirmTextColor: Colors.white,
      cancelTextColor: Colors.red,
      buttonColor: Colors.blue,
      onCancel: () {
        Get.back();
      },
      onConfirm: () async {
        // Handle adding the receipt
        // Handle cancel action
        await _loadFromNotionKantine();
        print('Beleg Name: ${newBelegName.value}');
        print('Beleg Datum: ${newBelegDate.value}');
        print('Beleg Betrag: ${newBelegBetrag.value}');
        Get.back();
        _saveData();
      },
    );
    update();
  }

  Map<String, dynamic> currentBodyItem(
    String currentDate,
    String preis,
    String belegName,
    String dbId,
  ) {
    return {
      'parent': {'database_id': dbId},
      'properties': {
        'Verkaufsdatum': {
          'date': {'start': currentDate},
        },
        'Gelöscht': {'number': 0},
        'Betrag': {'number': double.parse(preis)},
        'BelegName': {
          'id': 'title',
          'type': 'title',
          'title': [
            {
              'type': 'text',
              'text': {'content': belegName},
            },
          ],
        },
      },
    };
  }

  Future<void> _saveData() async {
    isloadingData(true);
    var dbId = 'd036c0bc06304126aedaa8c5ad92b406';
    var baeraToken = box.read('TOKEN');
    var saveUrl = 'https://api.notion.com/v1/pages/';
    var headers = Map<String, String>.from(box.read('HEADERS') ?? {});
    headers['Authorization'] = 'Bearer $baeraToken';
    var kantinData = currentBodyItem(
      newBelegDate.value,
      newBelegBetrag.value,
      newBelegName.value,
      dbId,
    );
    var httpClient = GetHttpClient(timeout: const Duration(seconds: 20));
    await httpClient
        .post(saveUrl, headers: headers, body: kantinData)
        .then((response) {
          if (response.isOk) {
            print('Beleg erfolgreich hinzugefügt');
            _loadFromNotionKantine();
          } else {
            print('Fehler beim Hinzufügen des Belegs: ${response.statusCode}');
          }
        })
        .catchError((error) {
          print('Fehler: $error');
        })
        .whenComplete(() {
          httpClient.close();
        });
    newBelegName.value = '?';
    newBelegDate.value = '?';
    newBelegBetrag.value = '?';
    isloadingData(false);
    update();
  }

  void deleteBeleg(stringItem, index) {
    isloadingData(true);
    print(stringItem);
    var baeraToken = box.read('TOKEN');
    var delUrl = 'https://api.notion.com/v1/pages/$stringItem/';
    var headers = Map<String, String>.from(box.read('HEADERS') ?? {});
    headers['Authorization'] = 'Bearer $baeraToken';
    var httpClient = GetHttpClient(timeout: const Duration(seconds: 20));
    var updateMap = {
      'properties': {
        'Gelöscht': {'number': 1},
      },
    };
    httpClient
        .patch(delUrl, headers: headers, body: updateMap)
        .then((response) {
          if (response.isOk) {
            print('Beleg erfolgreich gelöscht');
          } else {
            print('Fehler beim Löschen des Belegs: ${response.statusCode}');
          }
        })
        .catchError((error) {
          print('Fehler: $error');
        })
        .whenComplete(() {
          httpClient.close();
        });
    listKantine.removeAt(index);
    isloadingData(false);
    update();
  }
}